Unveiling Weyl-related optical responses in semiconducting tellurium by mid-infrared circular photogalvanic effect

Junchao Ma; Bin Cheng; Lin Li; Zipu Fan; Haimen Mu; Jiawei Lai; Xiaoming Song; Dehong Yang; Jinluo Cheng; Zhengfei Wang; Changgan Zeng; Dong Sun

doi:10.1038/s41467-022-33190-3

Nature Communications (Sep 2022)

Unveiling Weyl-related optical responses in semiconducting tellurium by mid-infrared circular photogalvanic effect

Junchao Ma,
Bin Cheng,
Lin Li,
Zipu Fan,
Haimen Mu,
Jiawei Lai,
Xiaoming Song,
Dehong Yang,
Jinluo Cheng,
Zhengfei Wang,
Changgan Zeng,
Dong Sun

Affiliations

Junchao Ma: International Center for Quantum Materials, School of Physics, Peking University
Bin Cheng: International Center for Quantum Design of Functional Materials, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China
Lin Li: International Center for Quantum Design of Functional Materials, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China
Zipu Fan: International Center for Quantum Materials, School of Physics, Peking University
Haimen Mu: International Center for Quantum Design of Functional Materials, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China
Jiawei Lai: International Center for Quantum Materials, School of Physics, Peking University
Xiaoming Song: International Center for Quantum Materials, School of Physics, Peking University
Dehong Yang: International Center for Quantum Materials, School of Physics, Peking University
Jinluo Cheng: Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences
Zhengfei Wang: International Center for Quantum Design of Functional Materials, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China
Changgan Zeng: International Center for Quantum Design of Functional Materials, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China
Dong Sun: International Center for Quantum Materials, School of Physics, Peking University

DOI: https://doi.org/10.1038/s41467-022-33190-3
Journal volume & issue: Vol. 13, no. 1
pp. 1 – 7

Abstract

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Materials with Weyl cones and band gaps coexisting are desired due to their combination of Weyl cones and the tunable and controllable nature of semiconductor. Here, the authors find Weyl-related band structures and semiconducting gap of tellurium.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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